Dr. Wallace R. McGrew, MD

  • Nashville, TN
  • Gastroenterologist
NPI1629063854
Medicare services, 2017
966
Part D claims, 2018
100
Industry payments
$686
Affiliated sites
1
Medical group
1
Practice address
330 23rd Ave N Suite 400 Suite 400, Nashville, TN 37203-1698
Practice phone
Call (615) 342-1000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

The Frist Clinic - Nashville (23rd Ave N)

Primary care practice · Nashville, Tennessee

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Dr. Wallace R. McGrew is a gastroenterologist in Nashville, Tennessee

Dr. McGrew practices at The Frist Clinic - Nashville (23rd Ave N) in Nashville, Tennessee.

Dr. McGrew's NPI, 1629063854, was assigned on September 14, 2005. Dr. McGrew holds Tennessee license MD13612.

NPI and contact details
NPI enumeration date
September 14, 2005
NPI status
Active
Practice phone
(615) 342-1000
Professional email
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Personal email
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Mobile number
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Sex
Male

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Wallace R. McGrew practices at The Frist Clinic - Nashville (23rd Ave N) in Nashville, Tennessee

Dr. McGrew's primary practice is The Frist Clinic - Nashville (23rd Ave N), at 330 23rd Ave N Suite 400 Suite 400, Nashville, TN 37203-1698. The practice phone is (615) 342-1000.

  • The Frist Clinic - Nashville (23rd Ave N)
    330 23rd Ave N Suite 400 Suite 400, Nashville, TN 37203-1698Phone(615) 342-1000

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Wallace R. McGrew is affiliated with 1 site of care and 1 medical group

Dr. McGrew's primary practice is The Frist Clinic - Nashville (23rd Ave N) in Nashville, Tennessee. The medical group on file is The Frist Clinic.

The Frist Clinic - Nashville (23rd Ave N)Primary care practice · Nashville, TennesseePrimary
The Frist ClinicPrimary care group, Nashville, TN

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dmand AI tracks the EHR system at Dr. Wallace R. McGrew's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McGrew practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
The Frist Clinic - Nashville (23rd Ave N)Available with a free account

Source: Dmand AI Technology Install Data

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Dr. Wallace R. McGrew is one of 331 gastroenterologists in Tennessee

Gastroenterology is Dr. McGrew's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. McGrew is licensed in Tennessee.

Specialties and state licenses

  • Gastroenterology, TennesseePrimaryLicense MD13612 · taxonomy 207RG0100X

Gastroenterologists near Dr. McGrew

Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Wallace R. McGrew billed Medicare for 966 services in 2017

CMS data shows 966 Medicare services from Dr. McGrew across 15 procedure codes in 2017. Medicare paid $83,713 for them.

Medicare services, 2017966
Paid by Medicare$83,713
Procedure codes15

Dr. McGrew's Medicare services by type, 2016 to 2017

  • 2016
  • 2017
Office and hospital visits
2016: 5632017: 6047%
Surgery
2016: 4262017: 29231%
Other services
2016: 832017: 7016%

Where Dr. McGrew's Medicare services took place, 2017

  • In an office16717%
  • In a facility79983%

Dr. McGrew compared with the Tennessee median for gastroenterologists, 2017

  • Dr. McGrew
  • Tennessee median
Medicare services
966vs 64550% above
Part D claims
100vs 59683% below

Medians across 330 gastroenterologists in Tennessee with Dmand AI profiles that report each measure.

Dr. McGrew's most billed Medicare procedure codes, 2017

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Wallace R. McGrew's patients have a median age of 67

Across all payers, Dmand AI patient panel data puts Dr. McGrew's median patient age at 67, with 67% women.

Dr. McGrew's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women67%
  • Men33%

Source: Dmand AI Patient Panel Data

Dr. Wallace R. McGrew wrote 100 Medicare Part D claims in 2018

In 2018, Dr. McGrew wrote 100 Medicare Part D claims. Every claim was for a generic drug. They cover 3 drugs, with $2,125 in total drug cost. In 2017, CMS named 480 claims across 18 drugs.

Part D claims, 2018100
Drugs named by CMS3
Total drug cost$2,125

Dr. McGrew's most prescribed drugs by claims, 2018

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2017 to 2018

  • 2017
  • 2018
Claims for drugs CMS names
2017: 4802018: 10079%

Drugs named by CMS: 3 in 2018, 18 in 2017.

See all prescribing by Dr. McGrew

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

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Dr. Wallace R. McGrew received $686 in industry payments from 2016 to 2018

CMS Open Payments shows 49 general payments to Dr. McGrew from 11 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $212.

General payments to Dr. McGrew by program year, 2016 to 2018

Companies that paid Dr. McGrew the most, 2016 to 2018

Share is of all general payments to this clinician.

See all payments to Dr. McGrew

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Wallace R. McGrew's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Wallace R. McGrew

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Wallace R. McGrew's NPI number?

Dr. Wallace R. McGrew's NPI number is 1629063854. It was assigned on September 14, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Wallace R. McGrew?

Dr. Wallace R. McGrew is a gastroenterologist in Nashville, Tennessee. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Wallace R. McGrew practice?

Dr. McGrew practices at 330 23rd Ave N Suite 400 Suite 400, Nashville, TN 37203-1698. Dr. McGrew's primary practice is The Frist Clinic - Nashville (23rd Ave N) in Nashville, Tennessee.

What is Dr. Wallace R. McGrew's office phone number?

The practice phone on file for Dr. McGrew is (615) 342-1000.

What is Dr. Wallace R. McGrew's medical license number?

Dr. McGrew holds Tennessee license MD13612.

What medical group is Dr. Wallace R. McGrew part of?

Dr. McGrew is linked to The Frist Clinic.

Does Dr. Wallace R. McGrew accept Medicare?

Yes. CMS data shows Dr. McGrew billed Medicare for 966 services in 2017.

What services does Dr. Wallace R. McGrew bill to Medicare?

In 2017, Dr. McGrew's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99222) and office visit, established patient (99213).

What drugs does Dr. Wallace R. McGrew prescribe most?

In 2018 Medicare Part D data, Dr. McGrew's most prescribed drugs by claims were Omeprazole, Pantoprazole Sodium and Dicyclomine HCl.

Has Dr. Wallace R. McGrew received payments from drug or device companies?

CMS Open Payments shows $686 in general payments to Dr. McGrew from 11 companies from 2016 to 2018. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. Wallace R. McGrew been practicing?

Dr. McGrew's NPI was assigned in 2005.

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